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Finding the Third Proportional to 35,118.56 and 78,570

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Solution

The third proportional to 35,118.56 and 78,570 is: 175,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,118.56 : 78,570 = 78,570 : x
  2. Step 2: Convert to fraction form
    35,118.56/78,570 = 78,570/x
  3. Step 3: Cross multiply
    35,118.56x = 78,570 × 78,570
  4. Step 4: Simplify right side
    35,118.56x = 6,173,244,900
  5. Step 5: Solve for x
    x = 6,173,244,900/35,118.56
  6. Step 6: Final answer
    x = 175,782.96

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These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.